The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on the Multi-level PV-PCS Using Cascade 3-Phase Transformer

직렬형 3상 변압기를 이용한 다중레벨 PV-PCS

  • 김기선 (전남대학교 공대 전기공학과) ;
  • 송성근 (광주 전자부품 연구원) ;
  • 조수억 (서일대학 전기공학과) ;
  • 최준호 (전남대학교 공대 전기공학과) ;
  • 김광헌 (전남대학교 공대 전기공학과) ;
  • 박성준 (전남대학교 공대 전기공학과)
  • Published : 2009.12.01
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Abstract

The study on the multi-level inverter has been increasingly progressing to reduce the switching loss and improve the THD of output current in photovoltaic inverter. Recently, the main topics of multi-level inverter are to reduce the number of devices maintaining the power quality. Therefore, the novel topology was proposed for these problem which is composed of the isolated H-bridge multi-level inverter using the three phase low frequency transformer. The proposed multi-level inverter may not be need for a independent DC power, diode and capacitor. Specially, It has a advantage in generating high voltage source. The proposed approach is verified through simulation and experiment.

Keywords

References

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